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One of the slide of the presentation released by Poder Aereo is explaining how the Rafale sensor fusion works. I think this slide is rather interesting as it might show how the Rafale is operating during BVR combats :
The first Rafale, using its radar, remains at long range and feeds the second Rafale (mica shooter) through the data link. The mica shooter get much closer (mica range) to the bandits, but in full passive mode, using the OSF and Spectra to identify the targets and improve the targeting data. When the missiles have been shot, the shotter brakes away, and let the first Rafale guide its missiles from a safe range.
This is a very tricky situation for the bandits because :
1- The closest rafale shooting the mica is hidding and thus, is difficult to detect (no EM emissions) but remains the primary threat until it breaks away.
2- The second rafale, is clearly showing itself, radar on, but it remains out of missile range.
3- the mica are not coming from the rafale which is guiding them